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2 years ago

The changes observed in aging are in part caused by

Biology

1 answer:

fenix001 [56]2 years ago

6 0

Shortening of the telomeres hopes this helped :)

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1. Describe one way that a glowing abdomen helps the glow-worm increase its

miss Akunina [59]

Explanation:

The glow-worm begins its life in the autumn as a pale yellow egg. The freshly laid egg is extremely fragile but within a day its surface has hardened into a shell.

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3 years ago

In the chemical compound c2h2 how many pairs of electrons are shared between the 2 carbon atoms

ankoles [38]

Acetylene (C2H2) has a triple bond between the two carbons. So 3 pairs of electrons. Biomed is talking about ethylene (C2H4).

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3 years ago

Mitosis makes up ALL of the cell cycle?

vivado [14]

No theres also meiosis

8 0

2 years ago

Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction: Fe + O2

Ber [7]

ANSWER

The correct answer is A

EXPLANATION

From the equation $Fe + O_2 \rightarrow Fe_2O_3$

L.H.S.

Fe = 1

O =2

R.H.S

Fe =2

O =3

Now, let try to balance the oxygen atoms first,

To do this, we know the Least Common Multiples of 2 and 3 is 6

To get 6 atoms of oxygen at L.H.S multiply 2 by 3 and on the R.H.S, multiply 3 by 2

L.H.S.

$O=2\times3=6$

R.H.S

$O=3\times2=6$

This means that, 3 should be in front of $O_2$ at the L.H.S and 2 should come before $Fe_2O_3$ in the R.H.S of the equation

Now, we have

L.H.S.

Fe = 1

O = 6

R.H.S

Fe =4

O =6

The equation is still not balanced since Fe is not balance

The Least Common Multiple of 1 and 4 is 4

Which means that we need to multiply 1 by 4 at the L.H.S and 4 by 1 at the R.H.S

L.H.S.

$Fe=1\times4=4$

R.H.S

$Fe=4\times1=4$

We now, have

L.H.S.

Fe= 4

O=6

R.H.S

Fe =4

O=6

Hence the balanced equation is

$4Fe +3O_2\rightarrow 2Fe_2O_3$

5 0

3 years ago

Read 2 more answers

9 one-way streets have unique features including __________.

lina2011 [118]

One way streets have unique features including all vehicles pointing in one direction. The street also has no yellow center line marks. A one way street is a street that has either a one way traffic or designed to direct vehicles in one direction and that is why it has those features.

3 0

2 years ago

Read 2 more answers